tests/filter/check: Enable pipefail

So we must use bash.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/tests/filter/check b/tests/filter/check
index 18ead3eb444a0823a706cd1ef99910238e402b26..35db4ed22c374de10ffcd1631265c40b5b8d7b67 100755 (executable)
--- a/tests/filter/check
+++ b/tests/filter/check
@@ -1,5 +1,6 @@
-#!/bin/sh
+#!/bin/bash
 set -e
+set -o pipefail
 
 cd tests/filter